On this episode of KPCW's Cool Science Radio, hosts Lynn Ware Peek and John Wells are airing a rebroadcast of a couple of archived interviews, including a conversation with NASA's Dr. Dalia Kirschbaum. She joined the show to talk about the Global Precipitation Measurement Core Observatory satellite; it's part of their mission to improve forecasting of extreme weather events. Author Sam Keane also joined the show to talk about his new book The Tale Of Dueling Neurosurgeons: The History Of The Human Brain As Revealed By True Stories Of Trauma, Madness And Recovery. He also wrote the best seller The Violinists Thumb And The Disappearing Spoon.